Implement argument validation for chrome.cast.channel.{open,send}

chrome/browser/extensions/api/cast_channel/cast_channel_api.h

Index: chrome/browser/extensions/api/cast_channel/cast_channel_api.h
diff --git a/chrome/browser/extensions/api/cast_channel/cast_channel_api.h b/chrome/browser/extensions/api/cast_channel/cast_channel_api.h
index 6d60de2127f2ee3dd3b99f04a8b2957d1b65681b..e35ae3ab9603b151f417f8f5c48373340f28be05 100644
--- a/chrome/browser/extensions/api/cast_channel/cast_channel_api.h
+++ b/chrome/browser/extensions/api/cast_channel/cast_channel_api.h
@@ -137,12 +137,12 @@ class CastChannelOpenFunction : public CastChannelAsyncApiFunction {
   // corresponding details, and returns true. Returns false if |url| is not a
   // valid Cast URL.
   static bool ParseChannelUrl(const GURL& url,
-                              api::cast_channel::ConnectInfo* connect_info);
+                              cast_channel::ConnectInfo* connect_info);

[Wez, 2014/07/16 22:42:33]

nit: This is just cleanup, not related to parameter validation, so mention it in
the CL description.

[mark a. foltz, 2014/07/17 19:26:51]

Done.

 
   // Validates that |connect_info| represents a valid IP end point and returns a
   // new IPEndPoint if so.  Otherwise returns NULL.
   static net::IPEndPoint* ParseConnectInfo(
-      const api::cast_channel::ConnectInfo& connect_info);
+      const cast_channel::ConnectInfo& connect_info);
 
   void OnOpen(int result);
 
@@ -150,9 +150,9 @@ class CastChannelOpenFunction : public CastChannelAsyncApiFunction {
   // The id of the newly opened socket.
   int new_channel_id_;
   CastChannelAPI* api_;
-  scoped_ptr<api::cast_channel::ConnectInfo> connect_info_;
+  scoped_ptr<cast_channel::ConnectInfo> connect_info_;
   scoped_ptr<net::IPEndPoint> ip_endpoint_;
-  api::cast_channel::ChannelAuthType channel_auth_;
+  cast_channel::ChannelAuthType channel_auth_;
 
   FRIEND_TEST_ALL_PREFIXES(CastChannelOpenFunctionTest, TestParseChannelUrl);
   FRIEND_TEST_ALL_PREFIXES(CastChannelOpenFunctionTest, TestParseConnectInfo);